Number: 833U Diameter (mm): 2.3 Grit: Ultra Fine Color: White Item: Diamond Bur Item Type: Multi-Use Shank Type: FG - Friction Grip Shape: Egg/Football Working Length (mm): 4.2 Sterile: No Packaging: 5/Pack Brand: Meisinger These diamond instruments consist of a shank and a stainless profile body that are coated with selected diamond grains.